AIIL Authum Investment & Infrastructure Ltd Company Mergers Announcement 2023 - Asset Acquisitions Authum Investment & Infrastructure Ltd acquired 47% equity shares of Michigan Engineers Private Limited from Patel Engineering Limited and its promoters, and MEPL becomes the associate of Authum Investment and Infrastructure Limited..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Authum Investment & Infrastructure Ltd